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| author | Jakub Jelinek <jakub@redhat.com> | 2019-09-07 11:52:01 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2019-09-07 11:52:01 +0200 |
| commit | 44a06a709565805d68994b65d871565a07ebf73e (patch) | |
| tree | 0403de63771e03f52c106164c651f886815adc0a /gcc/tree-vect-loop.c | |
| parent | 8b2d8beb9fcbd9196b562b17a21c892ff062aba8 (diff) | |
| download | gcc-44a06a709565805d68994b65d871565a07ebf73e.zip gcc-44a06a709565805d68994b65d871565a07ebf73e.tar.gz gcc-44a06a709565805d68994b65d871565a07ebf73e.tar.bz2 | |
re PR tree-optimization/91665 (ICE in build_vector_from_val, at tree.c:1904)
PR tree-optimization/91665
* tree-vect-loop.c (vectorizable_reduction): Punt if base has type
incompatible with the type of PHI result.
* gcc.dg/vect/pr91665.c: New test.
From-SVN: r275486
Diffstat (limited to 'gcc/tree-vect-loop.c')
| -rw-r--r-- | gcc/tree-vect-loop.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index b0cbbac..8324492 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -6656,10 +6656,13 @@ vectorizable_reduction (stmt_vec_info stmt_info, gimple_stmt_iterator *gsi, gcc_assert (TREE_CODE (base) == INTEGER_CST && TREE_CODE (step) == INTEGER_CST); cond_reduc_val = NULL_TREE; + tree res = PHI_RESULT (STMT_VINFO_STMT (cond_stmt_vinfo)); + if (!types_compatible_p (TREE_TYPE (res), TREE_TYPE (base))) + ; /* Find a suitable value, for MAX_EXPR below base, for MIN_EXPR above base; punt if base is the minimum value of the type for MAX_EXPR or maximum value of the type for MIN_EXPR for now. */ - if (tree_int_cst_sgn (step) == -1) + else if (tree_int_cst_sgn (step) == -1) { cond_reduc_op_code = MIN_EXPR; if (tree_int_cst_sgn (base) == -1) |